From the outside, a sedimentary quartz sandstone and a metamorphic quartzite can also look very similar, but when seen under a petrographic microscope they are quite distinct.


a. True

b. False

Learning about the geologic time scale's epochs, periods, eons, and eras is important for several reasons: Understanding Earth's history, Predicting future environmental changes, Identifying geologic resources, Correlating rock layers and Making accurate scientific observations.

It is crucial to understand the epochs, periods, aeons, and eras of the geologic time scale for a number of reasons:

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Answer:

c.plano is a city of Texas

Answer:

\(B.Ngorongoro\)

Explanation:

\(#carryonlearning\)

Archaeopteryx first appeared in the Late Jurassic Period which is a geological era of the Mesozoic Era that lasted from about 163.5 to 145.5 million years ago. The fossilized remains of Archaeopteryx were discovered in 1861 in the region of Solnhofen in Germany.

Archaeopteryx is important as a fossil that "links" change between different groups of organisms because it has characteristics of both birds and reptiles, suggesting that birds may have evolved from reptiles. Archaeopteryx is considered a transitional form between non-avian dinosaurs and birds, possessing both reptilian and avian features.

It has a mix of features found in modern birds, such as feathers and wings, as well as features found in non-avian dinosaurs, such as teeth and a long, bony tail. This makes it a valuable specimen for scientists studying the evolution of birds.

Using the recreation of Archaeopteryx, some of the evidence that relates to the connection between birds and reptiles include: Feathers: Archaeopteryx had feathers, which are a characteristic feature of birds. However, these feathers were not as specialized as those of modern birds. They were asymmetrical and lacked hooks, barbs, and a central shaft.

This suggests that feathers may have evolved for purposes other than flight, such as insulation or display.Bird-like skull: Archaeopteryx had a bird-like skull, with a short snout and large eyes. However, it also had a reptilian feature - teeth in its jaws.

This is unlike modern birds, which have a beak instead of teeth. Reptilian tail: Archaeopteryx had a long, bony tail that was similar to that of non-avian dinosaurs. However, its tail was shorter and more flexible than that of its dinosaur ancestors. This suggests that the tail may have played a role in flight control, but was not used for balance while walking on the ground.

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The lines of extinct volcanoes on the ocean floor, from youngest to oldest, are formed by the hot-spot-melting-through-lithosphere process.

The hot-spot-melting-through-lithosphere process is a geological phenomenon that occurs when a mantle plume, also known as a hot spot, rises from deep within the Earth's mantle. As the hot spot reaches the lithosphere, the rigid outer layer of the Earth's surface, it begins to melt the overlying rock, leading to the formation of volcanoes. These volcanoes are typically aligned in a linear pattern, with the youngest volcano located directly above the hot spot and the older volcanoes extending along a chain in the direction of plate motion. Over time, as the tectonic plates move, the volcanoes become extinct, and new ones form above the hot spot.

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Ocean water freezes solid in the polar regions of the Earth. Because the salt is left behind as sea ice forms, the surrounding ocean becomes saltier as a result. Seawater begins to sink as it becomes denser and more salted.

Ocean water currents are also impacted by sea ice. Although some salt may get trapped in tiny pockets between ice crystals, the majority of the salt in the ocean is forced into the ocean water below the sea ice when sea ice forms.

Water freezes at lower temperatures when salt is present. Due to its salinity, sea ice only forms in extremely cold environments (such as those close to the poles of the Earth) (i.e., presence of dissolved salt).

The ocean's salinity is raised by both sea ice production and ocean water evaporation. However, processes that reduce salinity, such as the ongoing inflow of fresh water from rivers, precipitation of rain and snow, and melting of ice, constantly balance out these "salinity rising" causes.

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As indicated by the standardizing perspective on science, researchers ought to leave their qualities at the lab entryway.

Security classification in the desix strength record.

What does the expression "security" mean?

The trademark, demeanor, or level of strength, including the ability to endure or persevere: Immovability: A body's capacity to make tensions or times that will permit it to return towards its past state after being shaken out of homeostasis or a steady movement.

What is a delineation of strength?

Maintainability in designing and science portrays a framework that is in homeostasis and can continue balance in the wake of being irritated. For example, a design that opposes gravity yet rises upward is in harmony.

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Answer:

Ministry of Road Transport and Highways.

National Highways Authority of India.

National Highways Development Project.

Expressways.

National highways (list)

State highways.

Bus rapid transit.

Motor Vehicles Act. 1988.

Explanation:

Answer:

Han River

Explanation:

Please give brainliest if I helped :)

Desertification refers to the degradation of land in arid, semi-arid, and dry sub-humid regions due to various factors such as climate change, human activities like deforestation, overgrazing, and unsustainable farming practices.

Desertification can result in the loss of biodiversity, soil erosion, and the depletion of water resources, ultimately leading to the creation of deserts.

Desertification is a significant environmental problem affecting many regions around the world and can have serious consequences for the livelihoods of local communities, as well as global food security and climate change.

Therefore, the correct answer is as given above. It could then be concluded that the correct definition is the degradation of land in arid, semi-arid, and dry sub-humid regions.

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It should be noted that tropical cyclones simply mean low pressure systems which form over warm tropical waters.

It should be noted that tropical cyclone simply means the intense circular storm which originates over warm tropical oceans.

Tropical cyclones usually form when the temperature of the sea surface is above 26.5°. It will dissipate when it moves over land.

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Between the tall coal-swamp trees of the Late Carboniferous were shorter plants that included the non-seed group called sphenopsids.

Sphenopsids were primitive plants characterized by jointed stems and scale-like leaves, commonly known as horsetails or scouring rushes. Sphenopsids thrived during the Carboniferous period, contributing to the diverse flora of the coal swamps.

These plants played a significant role in the ecosystem, helping to stabilize the soil and providing habitat and food for various organisms. Today, sphenopsids are represented by a single living genus, Equisetum, commonly known as horsetails, which are often found in wetlands and marshy areas.

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Answer: wind energy spins the blades than the blade spin the genrator

making energy. The solar energy uses solar penels wich make energy wich can be stored.  

Explanation:

This  answer may be wrong or cheated.

Answer:

What have farmers in the Amazon River Basin found to be the cause of reductions in the soil's fertility?

The answer is: the removal of native plants.

Answer:

The answer is D. the removal of native plants

Explanation:

PLATO answer

This biome's extremely rapid decomposition is caused by the warm temperature and abundant rainfall, allowing the vegetation to quickly absorb the soil's nutrients and achieve high productivity. Letter (a) is the most appropriate response here.

The majority of tropical rainforests can be found in the tropics, between 23.5°N (the Tropic of Cancer) and 23.5°S (the Tropic of Capricorn). Central and South America, western and central Africa, western India, Southeast Asia, the island of New Guinea, and Australia all have tropical rainforests.

There are three regions of the tropical rainforest: Neotropical (South America and Focal America), African (Africa and Madagascar), and Indo-Malaysian (India, Southeast Asia, Australia and the Pacific Islands).

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The scientist who discovered that the gene pool within a population of animals is much smaller after a near-extinction event is studying genetic diversity.

Genetic diversity refers to the variety of genes within a population of organisms and is crucial for the survival and adaptation of a species to changing environments. A near-extinction event can severely reduce the genetic diversity within a population, which can lead to inbreeding, decreased fitness, and increased susceptibility to diseases and environmental stresses. Thus, studying genetic diversity is important for conservation biologists who aim to preserve the genetic variation within a species and maintain its evolutionary potential. In conclusion, the scientist in question is studying genetic diversity, which is essential for the long-term survival of a population and its ability to adapt to changing environments.

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An area that is drained by a river system is called its basin part a watersheds drainage source wetland habitat.

A watershed is an area of ​​land that directs all streams and rainfall to a common outlet. At the outlet of a reservoir, the mouth of a bay, or any point along a river.

A catchment or catchment area is the area drained by a river and its tributaries. The edge of a watershed is called a watershed. This can be compared to a sink or a sink that catches falling water.

River systems are also known as basins or watersheds. A river watershed includes a river, all its tributaries, and all groundwater resources within the area.

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The geologic time scale was created by the scientist Nicholas Steno in the 17th century.

Steno was a pioneer in the field of geology and is credited with proposing the theory of stratigraphy, or the study of rock layers. He developed the geologic time scale to help explain the Earth's geological history and the relative ages of geological formations.

The geologic time scale is divided into four major eons: the Hadean, Archean, Proterozoic, and Phanerozoic. Each eon is further divided into numerous eras, periods, and epochs.

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A. A mineral's resistance to being scratched.  It helps determine a mineral's durability and resistance to abrasion.

Mineral hardness refers to a mineral's resistance to being scratched. It is determined by the strength of the chemical bonds within the mineral's structure. Friedrich Mohs, a German mineralogist, developed a scale called the Mohs Scale of Hardness to classify minerals based on their relative hardness.

The scale ranges from 1 to 10, with 1 being the softest mineral (talc) and 10 being the hardest mineral (diamond). The scale is based on the ability of one mineral to scratch another mineral.

Mineral hardness is an important characteristic used in identifying and classifying minerals. It helps determine a mineral's durability and resistance to abrasion. By using the Mohs Scale of Hardness, minerals can be ranked and compared based on their relative hardness, providing valuable information for various fields such as geology, mining, and materials science.

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Answer:

to find new ways to improve the lives of the world's people, to eradicate poverty, to promote prosperity and well-being for all,

Explanation:

The goal of the plan: to find new ways to improve the lives of the world's people, to eradicate poverty, to promote prosperity and well-being for all, to protect the environment, and to fight against climate change.

The correct answer is b. Warming will lead to a decrease in severe winter cold stress on crops, causing a pole-ward shift for many agricultural activities.

According to the information provided, one of the potential impacts of such warming is that it could lengthen the growing season in regions with cool spring and fall seasons, potentially benefiting some crops.

Agriculture prediction models suggest that another potential impact of warming in high-latitude regions is a decrease in severe winter cold stress on crops, which could cause a poleward shift for many agricultural activities. This means that crops that were previously limited to growing in lower latitude regions due to cold stress may be able to be grown further north as the climate warms.

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During the burial process, the shale layer expels approximately 10 km³ of water, and the average concentration of oil in this water is estimated to be 9 ppm.

Expelling water from a shale layer buried from 1 km to 3 km depth involves calculating the volume of water expelled. Assuming compaction equilibrium, the amount of oil generated can be determined based on the shale's hydrocarbon content and the percentage of oil expelled in primary migration.

Therefore, during the burial process, the shale layer expels approximately 10 km³ of water, and the average concentration of oil in this water is estimated to be 9 ppm.

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During the Industrial Revolution, which took place in the 18th century, scientific and technological advancements led to the industrialization of rural, agrarian cultures, particularly those in Europe and North America.

The Industrial Revolution began in earnest in Britain in the 1830s and 1840s, but certain improvements were created as early as the 1700s.

It quickly expanded to the rest of the world, including the United States. Modern historians frequently refer to this period as the First Industrial Revolution to distinguish it from the second phase of industrialization that occurred from the late 19th to early 20th century and witnessed tremendous advancements in the steel, electric, and car industries.

Beginning in the middle of the eighteenth century, inventions like the spinning jenny (a wooden frame with numerous spindles), the flying shuttle, the water frame, and the power loom greatly simplified the process of weaving cloth and spinning yarn and thread.

Cloth production became more time and labor-efficient and required much less human labor.

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Answer:

C

Explanation:

Remember you can do research

Answer:

C: wind

Explanation:

the wind literally moves the thing in the picture

Answer:

Southern California beaches in winter are typically narrow and rocky because of the seasonal changes in wave action and sediment movement.

Explanation:

During the winter months, the region experiences larger wave energy and higher storm activity, which leads to increased erosion of the sandy beach. The strong waves remove sand from the shore, leaving behind exposed rocks and a narrower beach profile.

Additionally, the winter months in Southern California coincide with a decrease in longshore drift, which is the movement of sediment along the coastline. With reduced sediment supply and increased wave erosion, the sandy beach can become narrower and reveal more rocky terrain.

It's important to note that these conditions can vary depending on specific coastal locations, weather patterns, and other factors. However, the general trend of narrower and rockier beaches during the winter months in Southern California is influenced by wave energy, erosion, and sediment dynamics.During the winter months, the region experiences larger wave energy and higher storm activity, which leads to increased erosion of the sandy beach. The strong waves remove sand from the shore, leaving behind exposed rocks and a narrower beach profile.

Answer:

We need to start teaching others about the importance of keeping the rainforest alive. We should start by protecting more of our rainforests by having more parks. We should also try not to buy from comapinies that are tearing down the forest. We also should plant more trees and plants so our envoirment can stay helathy. If we dont try to at least save the rainforest it will damage the wildlife within.

Explanation:

ye welcome :)

During the warm phase of ENSO, the warmest waters are found in the central and eastern Pacific Ocean. This is due to the weakening of the trade winds, which allows warm water to move eastward from the western Pacific. As a result, the warm water accumulates in the central and eastern Pacific, causing sea surface temperatures to rise.

The warm phase of ENSO is known as El Niño, and it occurs every two to seven years. During this time, the ocean and atmosphere interact in ways that can affect weather patterns around the world. El Niño can cause droughts in some areas and flooding in others, depending on where the warmest waters are located.El Niño is also known to impact marine life. For example, it can cause changes in the distribution of fish populations, as well as the timing of reproductive events.

It can also cause coral bleaching, which occurs when coral becomes stressed due to changes in water temperature.Overall, the warm phase of ENSO can have a significant impact on both the environment and human activities. Therefore, it is important for scientists to continue to study and monitor this phenomenon.

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